EP3083151B1 - Appareil d'enfoncement - Google Patents

Appareil d'enfoncement Download PDF

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Publication number
EP3083151B1
EP3083151B1 EP14812247.6A EP14812247A EP3083151B1 EP 3083151 B1 EP3083151 B1 EP 3083151B1 EP 14812247 A EP14812247 A EP 14812247A EP 3083151 B1 EP3083151 B1 EP 3083151B1
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EP
European Patent Office
Prior art keywords
combustion chamber
driving
slide member
tool according
charge
Prior art date
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Active
Application number
EP14812247.6A
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German (de)
English (en)
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EP3083151A1 (fr
Inventor
Matthias Blessing
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hilti AG
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Hilti AG
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Priority to EP14812247.6A priority Critical patent/EP3083151B1/fr
Publication of EP3083151A1 publication Critical patent/EP3083151A1/fr
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25C—HAND-HELD NAILING OR STAPLING TOOLS; MANUALLY OPERATED PORTABLE STAPLING TOOLS
    • B25C1/00—Hand-held nailing tools; Nail feeding devices
    • B25C1/08—Hand-held nailing tools; Nail feeding devices operated by combustion pressure
    • B25C1/10—Hand-held nailing tools; Nail feeding devices operated by combustion pressure generated by detonation of a cartridge
    • B25C1/14—Hand-held nailing tools; Nail feeding devices operated by combustion pressure generated by detonation of a cartridge acting on an intermediate plunger or anvil
    • B25C1/143—Hand-held nailing tools; Nail feeding devices operated by combustion pressure generated by detonation of a cartridge acting on an intermediate plunger or anvil trigger operated

Definitions

  • the invention relates to a tacker according to the preamble of claim 1 and a system for driving a fastener into a workpiece according to the features of claim 13.
  • a tacker according to the preamble of claim 1 and a system for driving a fastener into a workpiece according to the features of claim 13.
  • the charge usually includes particles such as powder grains, fibers or the like, which are initially driven after ignition in front of a flame front ago.
  • US 6,321,968 B1 describes a tacker with a propellant charge, in which the combustion chamber is separated by means of a perforated disc in an upper part of the chamber and a lower sub-chamber. Powder grains of the propellant charge are larger than the holes of the disc. Thus, the powder grains are first accelerated in a central discharge area on the perforated portions of the cutting wheel, where they are retained due to the dimensioning of the holes of the cutting wheel, so that a combustion of the powder grains takes place predominantly in the upper part of the chamber.
  • Fig. 10 a modification is shown in which a propellant charge without cartridge is used.
  • a control range of the actuator extends to the possibility of a particularly large driving energy.
  • the adjoining of the portion formed by the slider to the piston member is defined so that the piston is guided either directly touching the slider or that a defined residual gap between the slider and the piston member remains.
  • Such a residual gap can serve as needed to avoid contact of the piston member and slider to favor a low-friction adjustment of the slider and to avoid undesired material abrasion.
  • An additional volume of the combustion chamber is understood to mean a closed volume which, in addition to a geometric basic shape of the combustion chamber enclosing the piston member, is provided and adjoins the combustion chamber.
  • An additional volume in the strict sense of the invention is a volume added to the combustion chamber, which is due to the design of the actuator.
  • Other additional volumes such as Recesses in a bottom of the piston member to improve combustion or similar measures, may be provided therefrom without prejudice.
  • a driving energy is understood to mean the kinetic energy of the piston member impinging on a given fastening means for a given propellant charge. Given these boundary conditions, it is possible by the actuator to adjust the resulting driving energy for the fastener adjustably.
  • a piston member according to the invention is any means which is acted upon by the ignition of the charge with kinetic energy, wherein the kinetic energy is ultimately transferred to the fastening means. Often the piston member is designed as a particular cylindrical piston.
  • a central axis in the sense of the invention is an axis at least parallel to the movement of the fastening element, which runs in particular through a center of the combustion chamber.
  • the slider is in the context of the invention either parallel to the axis movable, whereby a simple and effective mechanical realization is possible, or transversely to the axis, preferably perpendicular to the axis, movable.
  • an outlet cross-section of a blow-off channel is variably adjustable depending on the position of the slide.
  • a blow-off channel in the sense of the invention is understood to mean a duct by means of which the combustion gases of the propellant charge are discharged into the environment or into another large volume, for example a gas reservoir for a piston return.
  • an additional volume of the combustion chamber is adjustable by an adjustment of the slider. This allows a particularly fine energy regulation done.
  • the control starts from an additional volume of zero or almost zero.
  • an increasing additional volume of the combustion chamber is initially released by means of an adjustment of the slide, starting from a closed position, and released with further adjustment of the slide of the exhaust duct continuously or stepwise. In this way, a particularly favorable control characteristic can be achieved with a particularly large width of the energy adjustment.
  • an at least approximately linear relationship between an adjustment path of the slide and the reduction of the drive-in energy can be achieved even for large areas of an energy adjustment.
  • first of all the blow-off channel and with further adjustment of the slide an increasing additional volume of the combustion chamber is released.
  • an increasing additional volume of the combustion chamber and the exhaust duct are released simultaneously.
  • the side wall of the combustion chamber forms a closed surface of revolution about the central axis.
  • a surface of the slide part of the rotation surface in particular a cylindrical portion of a side wall of the combustion chamber.
  • the portion of the side wall formed by the slider has a concave-shaped surface. This can for example be adapted to a curved wall of the piston member.
  • a surface of the slider has two partial surfaces, wherein a first of the partial surfaces forms the portion of the side wall of the combustion chamber, and wherein a second of the partial surfaces forms a portion of a bottom surface of the combustion chamber.
  • the slider can fill in the closed state, for example, an L-shaped segment of the combustion chamber wall.
  • the portion forming the portion of the bottom surface can be moved back, and so an adjustable Provide additional volume, which can be flowed through before or immediately after a first movement of the piston member by the fuel gases.
  • the slide extends in a closed position over the entire length of the combustion chamber, wherein a guide channel of the slide opens into a blow-off at a front end of the combustion chamber.
  • the combustion chamber is subdivided into a first partial chamber adjoining the propellant and at least one second partial chamber adjoining the piston member by means of a divider having a plurality of openings, wherein an ejection area for the propellant charge is provided in the first sub-chamber, which extends between the propellant charge and a central region of the separator.
  • the ejection area preferably includes the central axis, that is, the central axis passes through the ejection area.
  • the discharge area at the central area of the separating member is particularly preferably limited by a closed surface of the separating member.
  • An ejection region in the sense of the invention is a prismatic, mostly cylindrical spatial region whose cross-section is defined by a surface of the igniting charge directed into the combustion chamber and which extends perpendicular to the surface.
  • the surface of the charge is defined herein as the exit area of the opened cartridge.
  • the discharge area is substantially cylindrically shaped. Its diameter corresponds to the inner diameter of the cartridge bearing at its output towards the piston member.
  • the central axis according to the invention runs as a center of gravity line through the ejection area. Regularly, but not necessarily, the central axis coincides with a movement axis of the piston member.
  • An isolator in the context of the invention is any structure by which the combustion chamber is divided into two sub-chambers.
  • the separating member extends transversely to the central axis. It can be designed, for example, as a multi-perforated disc.
  • the central region of the separating member is preferably not pierced, so that at least a significant portion of the initially ejected particles moves within the ejection region through the first combustion chamber against the central region, without first entering through the separating member in the second sub-chamber.
  • the closed surface of the central area is larger than a sectional area of the partition member with the ejection area.
  • the central portion of the partition member has a recess. Through this depression, a particularly good backscattering of the deflected particles and turbulence of combustion gases in the first sub-chamber can take place.
  • the depression is formed as a cup-shaped recess in the separating member. This favors a scattering and turbulence in particular.
  • an upstanding projection is formed in a central bottom portion of the recess.
  • the projection may be conical, for example.
  • the recess has a downwardly decreasing diameter, which also causes a good distribution of powder grains and fuel gases.
  • a maximum diameter of the depression, which is perpendicular to the central axis is not less than 80% of a maximum diameter of an opening of the propellant charge which is perpendicular to the axis.
  • the diameter of the recess is greater than the diameter of the opening of the propellant charge.
  • a maximum depth of the recess measured in the direction of the axis is not less than 30%, more preferably not less than 50% of a maximum diameter of the recess measured perpendicular to the axis is.
  • a web is provided in each case between two adjacent apertures, fuel gases of the propellant charge first of all flowing radially outward from the ejection region between the webs, before they flow through the apertures in the axial direction after a deflection.
  • the deflection and turbulence of the fuel gases is further optimized, and undesired entry of large grains of powder into the openings is further reduced.
  • the openings of the separating member have a cross section which is greater than a maximum cross section of particles of the propellant charge. This prevents clogging of the breakthrough with combustion residues. Due to the further features of the invention, an entry of large powder grains in the second sub-chamber is largely avoided despite relatively large openings.
  • the partition member is preferably screwed by means of an external thread formed in it in the combustion chamber.
  • a maximum driving energy which can be set by means of the actuator corresponds to at least twice a minimum driving energy which can be set by means of the actuator.
  • the maximum driving energy is at least 2.5 times the minimum driving energy.
  • the minimum driving energy is not more than 150 joules and the maximum driving power is not less than 250 joules. Overall, this allows a particularly universal use of the tacker without a plurality of propellant charges of different strength depending on the application must be kept ready.
  • an at least partially automatic adjustment of the drive-in energy can take place by means of electronic device control.
  • necessary specifications for example on the nature and dimensions of the workpiece, can be made by an operator.
  • sensory information for example about the type of fastener inserted, can be used.
  • a driving tool according to the invention makes it possible to cover a large range of driving forces with only one propellant charge. Accordingly, it can be dispensed with the offer of other propellant charges for the operation of the device.
  • a drive-in device comprises a hand-guided housing in which a piston member in the form of a piston 2 is accommodated.
  • a surface 2a of the piston 2 defines a combustion chamber 3 in which the combustion gases of a pyrotechnic charge expand to accelerate the piston 2.
  • the pyrotechnic charge is solid, preferably in powder form. In non-illustrated embodiments, the pyrotechnic charge is liquid or gaseous.
  • the charge is presently received in a cartridge made of sheet metal.
  • the cartridge has an impact fuze and is inserted into a cartridge bearing 4 before ignition via a corresponding loading mechanism.
  • Cartridge and cartridge bearings are preferably formed rotationally symmetrical about a central axis A.
  • the central axis A is at the same time a center axis of the combustion chamber 3 and the piston 2 in the present examples.
  • the combustion chamber 3 is arranged between a circular opening 4a of the cartridge bearing 4 and the surface 2a of the piston 2.
  • a annular trough 2b formed, which contributes to a better turbulence of the fuel gases and forms a part of the combustion chamber 3.
  • the combustion chamber 3 in the present case has a side wall 101, which is designed as a closed surface of revolution parallel to the central axis A, ie as an inner cylinder.
  • the combustion chamber 3 has a bottom surface 102 which is substantially perpendicular to the axis A extends. In an initial state of the piston member 2, a bottom surface of the piston member 2 abuts against the bottom surface 102 of the combustion chamber 3.
  • an actuator 104 For adjustable change of a recorded by the piston member 2 at a given propellant charge of kinetic energy, and thus adjustable for changing change of a driving energy of the fastener, an actuator 104 is provided.
  • the actuator 104 includes a slider 105 and a mechanism 106 for adjusting a position of the slider 105th
  • the slider 105 is movable parallel to the axis A.
  • a driving-direction front portion of the slider 105 has a concave-shaped surface 105a about the axis A.
  • the surface 105a of the spool 105 is part of the side wall 101 of the combustion chamber 3.
  • the concave surface 105a partially surrounds a side wall of the piston member 2 and is in contact with sealing-projecting rings or circumferential beads of the piston member.
  • the concave surface 105a forms a first partial surface of the slider 105.
  • a second partial surface 107 of the slider 105 also forms a portion of the surface of the combustion chamber. This section is part of the bottom surface 102 of the combustion chamber 3 is perpendicular to the axis A.
  • the combustion chamber facing surface of the slider thereby has an L-shaped cross-sectional shape in a axis enclosing the axis A cutting plane (for example, the plane of the drawing Fig. 1 ).
  • the slider 105 is received in a recess 103 in a housing enclosing the combustion chamber. In this recess, the slider 103 is parallel to the central axis A in position adjustable.
  • an external thread 108 is integrally formed on a rear end of the slider 105.
  • the external thread runs in an internal thread of an axially supported, rotatably mounted gear 109.
  • a Second gear 110 drives the first gear 109, so that the slider 105 is displaced by the thread rotation in the axial direction.
  • the adjustment of the slider can be manual depending on requirements. For example, via a not shown thumb wheel done. But it can also be an adjustment by means of an electric actuator. In this case, an at least partially automatic adjustment of the driving energy can take place by means of an electronic device control. For this purpose necessary specifications, for example on the nature and dimensions of the workpiece, can be made by an operator. Alternatively or additionally, sensory information, for example about the type of fastener inserted, can be used.
  • a blow-off channel 111 branches off from the recess 103, wherein in the present example the blow-off channel leads away in the further course to the front and in the driving direction.
  • the blow-off channel is here partially formed as a recess, cut-out and / or in particular with respect to the recess 103 offset bore in the surrounding the combustion chamber housing.
  • the exhaust duct leads in the further course to the rear and opposite to the driving direction away.
  • the blow-off channel 111 is covered with the slider 105 closed by the body of the slider 105 and completely closed.
  • the expanding gas of the propellant can already expand immediately into the first additional volume 112 at the beginning of the movement of the piston member 2.
  • An expansion into the second additional volume can take place as soon as a rear end of the piston wall has reached a corresponding position. This position is reached the earlier, the farther the slider 105 is moved in the direction of the open position.
  • FIG. 4 shows a modified version compared to the embodiment described above.
  • the slider 105 is formed in principle as in the previous example. In the illustration after Fig. 4 he is in the fully open position.
  • the Abblaskanal 111 is here as adjacent to the slider 105, formed parallel to the axis A forwardly extending channel. A rear end of the Abblaskanals 111 extends beyond the plane of the bottom of the combustion chamber. 3
  • blow-off channel 111 is released at each position of the slide 105.
  • leakage of the gases into the blow-off channel 111 with the slide partially open can only take place from an advanced position of the piston member 2.
  • the slide is fully open (see Fig. 4 )
  • the escape of the gases in the exhaust duct already in the basic position of the piston member 2 since the front end of the slider 105 is retracted here to the plane of the combustion chamber floor.
  • the additional volume 112 is present as in the first exemplary embodiment and can act as a closed volume for a first portion of the piston movement, at least when the slide 105 is partially open.
  • Fig. 5 to Fig. 7 show a further embodiment of the invention.
  • the spool 105 does not terminate after a portion of the length of the combustion chamber 3.
  • the spool 105 extends in a closed position over the entire length of the combustion chamber.
  • the slide is similar to the previous examples in a guide channel 103 in the form of a recess in the side wall 101 of the combustion chamber 3 is added. In the present example, however, the guide channel 103 of the slide 105 extends over the entire length of the combustion chamber 3 and opens at a front end of the combustion chamber into a blow-off channel 111.
  • the blow-off channel 111 extends along a guide 114 of the piston member 2 upstream of the combustion chamber 3 and ends in a storage space (not shown). By means of the combustion gases collected in the storage space, the piston member 2 is moved back to the starting position in a known manner at the end of the driving operation.
  • spatial representation of the slider 105 this is formed as a substantially prismatic body having a laterally projecting pin 115.
  • the pin 115 By means of the pin 115, the desired position of the slider in the guide 103 can be adjusted.
  • a corresponding mechanism (not shown) of the actuator with the pin 115 of the slider 105 may be connected.
  • the slide in the recess 103 extends to the beginning of the Abblaskanals 111.
  • the entire side wall 101 of the combustion chamber without recesses is cylindrically shaped. There is no reduction of the driving energy or a maximum of the driving energy.
  • Fig. 6 shows the slider in a partially retracted position, through which a reduced drive energy is achieved.
  • the released part of the guide 103 of the slider 105 acts as an extended part of the Abblaskanals 111th
  • the slider 105 may also in this example have a gradation as in the previous examples, by which a displaceable part surface of the bottom surface of the combustion chamber is formed.
  • the combustion chamber 3 is divided transversely to the central axis A by a partition member 5.
  • a first sub-chamber 3a of the combustion chamber On the side of the cartridge bearing 4 there is a first sub-chamber 3a of the combustion chamber, and on the side of the piston 2 is a second sub-chamber 3b of the combustion chamber 3rd
  • the separating member 5 is presently designed as a screwed by means of an external thread 7 in the combustion chamber 3 component.
  • the isolator can also be formed integrally with the rest of the combustion chamber or be connected in any other way as a separate component with the combustion chamber.
  • the partition member 5 has a plurality of apertures 6, which are in the present case designed as bores which extend parallel to the axis A.
  • the perforations 6 are arranged around a central region 8 of the separating member 5, which has a closed and non-perforated surface.
  • the smallest diameter of the central, unbroken portion 8 in a plane perpendicular to the axis A is about 35% larger than a diameter of the open after ignition cartridge. In the present case, this corresponds approximately to the diameter of a combustion chamber-side opening of the cartridge bearing or of a surface of the pyrotechnic charge directed into the combustion chamber.
  • the fuel gases and powder grains, charge particles or the like ejected with them first enter the combustion chamber parallel to the central axis. Therefore, at least immediately after ignition and over a certain length, the expanding charge moves predominantly in a prismatic discharge region along the central axis, the circumference of which is defined by the contour of the surface of the charge.
  • all of the apertures 6 of the partition member are located outside a sectional area of the ejection area with the surface of the partition member.
  • the discharge area is designed as a cylinder corresponding to the circular cartridge opening.
  • a recess 9 is further formed in the central region 8 of the separating member 5.
  • the recess 9 extends rotationally symmetrical about the central axis A. It is formed cup-shaped and has a flat bottom 9a.
  • a diameter of the recess 9 tapers from a largest diameter d at its upper edge to a smallest diameter at the level of the bottom 9a.
  • the walls of the recess 9 have both inclined and straight sections.
  • the maximum depth of the recess 9 is presently about 60% of the largest diameter d.
  • the closed surface of the central region 8 extends to a step 10.
  • the gradation 10 rises from the surface of the central region 8 in the axial direction to a roof of the combustion chamber 3.
  • the separating member 5 is in the present case with the gradation 10 pressed against the roof. This is achieved by appropriate screwing of the separator 5 in the combustion chamber 3.
  • the gradation 10 forms between adjacent apertures 6 each webs 11, which are directed radially inward. Accordingly, radially directed channels 12 remain between the webs 11, through which the fuel gases and charge particles initially flow radially outward from the central region 8 and are then deflected into the openings 6.
  • the particles of the charge When passing through the openings 6, the particles of the charge are already predominantly burned, so that there are no larger unburned charge residues either in the openings or in the following, second partial chamber 3b. This prevents unfavorable deposits and / or clogging of the apertures 6. At the same time a controlled and uniform expansion of the fuel gases in the second sub-chamber is favored, so that an optimal acceleration of the piston 2 takes place.
  • the second embodiment of a separator a different shape of the recess 9 is provided.
  • the recess is formed as a cup-shaped recess, but the walls of the recess are stronger and continuously inclined.
  • separator is the shape of the recess 9 predominantly as in the example Fig. 11 .
  • an upstanding, conical projection 13 is formed above the bottom of the recess.
  • the recess 9 has no flat bottom, but has an overall approximately parabolic cross-section. Such a shape is particularly well suited for the prevention of deposits.
  • a system for driving a fastener into a workpiece is provided by a tacker described above in conjunction with a propellant charge and a selection of fasteners.
  • the system comprises a plurality of different attachment means, wherein only one type of propellant charge is required to cover a full range of drive-in energies.
  • the driving energy transmitted to the piston member ranges from a minimum driving energy of 90 joules to a maximum driving energy of 325 joules.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Portable Nailing Machines And Staplers (AREA)

Claims (13)

  1. Appareil d'enfoncement comportant :
    un boîtier tenu à la main avec un élément de piston (2) reçu dans celui-ci pour transmettre de l'énergie à un élément de fixation à enfoncer,
    une charge propulsive pouvant être notamment remplacée et
    une chambre de combustion (3) agencée entre la charge propulsive et l'élément de piston (2), laquelle chambre de combustion s'étend en particulier autour d'un axe central (A),
    et un élément de réglage (104) au moyen duquel l'énergie transmise par la charge propulsive à l'élément de piston (2) peut être réglée de manière variable,
    dans lequel un curseur (105) peut se déplacer parallèlement ou transversalement, en particulier perpendiculairement, à l'axe (A), dans lequel une section transversale de sortie d'un canal d'échappement (111) peut être réglée de manière variable en fonction de la position du curseur (105),
    caractérisé en ce que
    un curseur mobile (105) de l'élément de réglage (104) forme un segment d'une paroi latérale (101) de la chambre de combustion (3) adjacent à l'élément de piston (2), de telle sorte que lorsque le curseur est fermé, aucun ou pratiquement aucun volume supplémentaire imposé par l'élément de réglage n'est prévu dans la chambre de combustion.
  2. Appareil d'enfoncement selon la revendication 1, caractérisé en ce qu'un volume supplémentaire (112, 113) de la chambre de combustion peut être réglé par un réglage du curseur (105).
  3. Appareil d'enfoncement selon l'une des revendications 1 à 2, caractérisé en ce qu'en réglant le curseur (105) en partant d'une position fermée, un volume supplémentaire (112, 113) croissant de la chambre de combustion (3) est tout d'abord débloqué, et que le canal d'échappement (111) est débloqué par un réglage supplémentaire du curseur (105).
  4. Appareil d'enfoncement selon l'une des revendications 1 à 2, caractérisé en ce qu'en réglant le curseur (105) en partant d'une position fermée, le canal d'échappement (111) est tout d'abord débloqué, et qu'un volume supplémentaire (112, 113) croissant de la chambre de combustion (3) est débloqué lors d'un réglage supplémentaire du curseur (105).
  5. Appareil d'enfoncement selon l'une des revendications 1 à 2, caractérisé en ce qu'en réglant le curseur (105) en partant d'une position fermée, un volume supplémentaire (112, 113) croissant de la chambre de combustion (3) et le canal d'échappement (111) sont débloqués simultanément.
  6. Appareil d'enfoncement selon l'une des revendications précédentes, caractérisé en ce que la paroi latérale (101) de la chambre de combustion forme, lorsque le curseur (105) est fermé, une surface de rotation fermée autour de l'axe central (A).
  7. Appareil d'enfoncement selon l'une des revendications précédentes, caractérisé en ce que le segment de la paroi latérale (101) formé par le curseur (105) comporte une surface formée de manière concave (105a).
  8. Appareil d'enfoncement selon l'une des revendications précédentes, caractérisé en ce qu'une surface du curseur comporte deux surfaces partielles (105a, 107), dans lequel une première des surfaces partielles (105a) forme le segment de la paroi latérale (101) de la chambre de combustion (3), et dans lequel une seconde des surfaces partielles (107) forme un segment d'une surface de fond (102) de la chambre de combustion (3).
  9. Appareil d'enfoncement selon l'une des revendications précédentes, caractérisé en ce que le curseur (105) s'étend, dans une position fermée, sur toute la longueur de la chambre de combustion (3), dans lequel un canal de guidage (103) du curseur (105) débouche dans un canal d'échappement (111) sur une extrémité avant de la chambre de combustion (3).
  10. Appareil d'enfoncement selon l'une des revendications précédentes, caractérisé en ce que
    la chambre de combustion (3) est subdivisée, au moyen d'un élément de séparation (5) comportant plusieurs trous traversants (6), en une première chambre partielle (3a) adjacente à la charge propulsive et en au moins une seconde chambre partielle (3b) adjacente à l'élément de piston (2), et
    dans lequel dans la première chambre partielle (3a) est prévue une zone d'éjection de la charge propulsive incluant en particulier l'axe central (A), laquelle zone d'éjection s'étendant entre la charge propulsive et une zone centrale (8) de l'élément de séparation (5).
  11. Appareil d'enfoncement selon la revendication 10, caractérisé en ce que la zone d'éjection est limitée sur la zone centrale (8) de l'élément de séparation (5) par une surface fermée de l'élément de séparation (5) et/ou la zone centrale (8) de l'élément de séparation (5) comporte une cavité (9).
  12. Appareil d'enfoncement, en particulier selon l'une des revendications précédentes, caractérisé en ce qu'en fonctionnement normal avec une charge propulsive identique, une énergie d'enfoncement maximale réglable au moyen de l'élément de réglage (104) correspond au moins au double d'une énergie d'enfoncement minimale réglable au moyen de l'élément de réglage (104).
  13. Système pour enfoncer un élément de fixation dans une pièce, comportant un appareil d'enfoncement selon l'une des revendications précédentes et une pluralité de différents moyens de fixation, dans lequel le système comporte uniquement des charges propulsives ayant une énergie de charge propulsive sensiblement identique pour couvrir une gamme complète d'énergies d'enfoncement.
EP14812247.6A 2013-12-18 2014-12-16 Appareil d'enfoncement Active EP3083151B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP14812247.6A EP3083151B1 (fr) 2013-12-18 2014-12-16 Appareil d'enfoncement

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP13198045.0A EP2886259A1 (fr) 2013-12-18 2013-12-18 Appareil d'enfoncement
PCT/EP2014/077874 WO2015091423A1 (fr) 2013-12-18 2014-12-16 Appareil d'enfoncement
EP14812247.6A EP3083151B1 (fr) 2013-12-18 2014-12-16 Appareil d'enfoncement

Publications (2)

Publication Number Publication Date
EP3083151A1 EP3083151A1 (fr) 2016-10-26
EP3083151B1 true EP3083151B1 (fr) 2018-04-04

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EP13198045.0A Withdrawn EP2886259A1 (fr) 2013-12-18 2013-12-18 Appareil d'enfoncement
EP14812247.6A Active EP3083151B1 (fr) 2013-12-18 2014-12-16 Appareil d'enfoncement

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EP13198045.0A Withdrawn EP2886259A1 (fr) 2013-12-18 2013-12-18 Appareil d'enfoncement

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US (1) US20160311097A1 (fr)
EP (2) EP2886259A1 (fr)
WO (1) WO2015091423A1 (fr)

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EP2923797A1 (fr) * 2014-03-28 2015-09-30 HILTI Aktiengesellschaft Cloueur à poudre
EP4067002A1 (fr) * 2021-03-29 2022-10-05 Hilti Aktiengesellschaft Appareil d'enfoncement pyrotechnique

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Publication number Publication date
EP3083151A1 (fr) 2016-10-26
EP2886259A1 (fr) 2015-06-24
WO2015091423A1 (fr) 2015-06-25
US20160311097A1 (en) 2016-10-27

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